The bottom placed team, Brazil, had to face a relegation challenge, Round 2 Final, from the CONSUR B champion, Paraguay, to earn to right to compete in the 2013 tournament and stay within the chance of qualifying for Rugby World Cup 2015.
[22] Round 3A was contested concurrently with the 2013 South American Rugby Championship "A" in Montevideo, Uruguay and Temuco, Chile between 27 April and 4 May 2013.
This means fixtures against Argentina by Brazil, Chile or Uruguay were not included as Rugby World Cup qualification matches.
Canada defeated the USA in a two-legged play off, sweeping the series and winning 40–20 on aggregate, thus qualifying for the World Cup as Americas 1.
The final consisted of a home-and-away series, with the winner on aggregate, United States (59–40 or 1–0), qualifying for the World Cup as Americas 2.